$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-shell.git /var/lib/mock/dist-oc8-build-74763-51239/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/dist-oc8-build-74763-51239/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git fetch origin 9a5c73aaad1ebcf06a4652e498d6290d77c2e1c6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-shell
 * [new ref]         9a5c73aaad1ebcf06a4652e498d6290d77c2e1c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a5c73a import gnome-shell-3.32.2-55.tl3